The word(s) "not" appears 1997 time(s) in 1622 verse(s) in Quran in Muhammad Pickthal translation.

(641) They said: O our father! Why wilt thou not trust us with Joseph, when lo! we are good friends to him?

(642) Then, when they led him off, and were of one mind that they should place him in the depth of the pit, We inspired in him: Thou wilt tell them of this deed of theirs when they know (thee) not.

(643) Saying: O our father! We went racing one with another, and left Joseph by our things, and the wolf devoured him, and thou believest not our saying even when we speak the truth.

(644) And he of Egypt who purchased him said unto his wife: Receive him honourably. Perchance he may prove useful to us or we may adopt him as a son. Thus we established Joseph in the land that We might teach him the interpretation of events. And Allah was predominant in His career, but most of mankind know not.

(645) She verily desired him, and he would have desired her if it had not been that he saw the argument of his Lord. Thus it was, that We might ward off from him evil and lewdness. Lo! he was of Our chosen slaves.

(646) And they raced with one another to the door, and she tore his shirt from behind, and they met her lord and master at the door. She said: What shall be his reward, who wisheth evil to thy folk, save prison or a painful doom?

(647) And when she heard of their sly talk, she sent to them and prepared for them a cushioned couch (to lie on at the feast) and gave to every one of them a knife and said (to Joseph): Come out unto them! And when they saw him they exalted him and cut their hands, exclaiming: Allah Blameless! This is no a human being. This is not other than some gracious angel.

(648) She said: This is he on whose account ye blamed me. I asked of him an evil act, but he proved continent, but if he do not my behest he verily shall be imprisoned, and verily shall be of those brought low.

(649) He said: O my Lord! Prison is more dear than that unto which they urge me, and if Thou fend not off their wiles from me I shall incline unto them and become of the foolish.

(650) He said: The food which ye are given (daily) shall not come unto you but I shall tell you the interpretation ere it cometh unto you. This is of that which my Lord hath taught me. Lo! I have forsaken the religion of folk who believe not in Allah and are disbelievers in the Hereafter.